Fix bug in opcode 3000. Apparently VX == FF returned false when VX = FF. Making sure the register value is ANDed fixes the problem
Fix bug in opcode 3000. Apparently VX == FF returned false when VX = FF. Making sure the register value is ANDed fixes the problem

Fix most opcodes manipulating/comparing registers the same way as opcode 3000. Just to make sure they work correctly

joelabr/YACE